%0 Journal Article
%A E. S. Sinaiskii
%T Simultaneous approximation of the solution and its derivatives in a boundary value problem for a linear differential equation with polynomial coefficients
%J Izvestiya. Mathematics 
%D 1992
%P 553-573
%V 38
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1992_38_3_a5/
%G en
%F IM2_1992_38_3_a5